html,body{
	width: 100%;
	height: 100%;
	background-color: rgba(0,172,218);
}
header{;
	background-color: #009fca;
	width: 100%;
	height: 10%;
}
header>div>ul{
	margin-top: 20px;
	width: 70%;
	color: white;
	float: left;
	list-style: none;
}
header>div>ul li{
	box-sizing: border-box;
	border-radius: 20px;
	margin-left: 2%;
	line-height: 30px;
	text-align: center;
	width: 110px;
	height: 30px;
	float: left;	
}	
.sign{
	border: 1px solid white;
	background-color: #4cbcda;box-sizing: border-box;
	border-radius: 20px;
	margin-left: 2%;
	line-height: 30px;
	text-align: center;
	width: 110px;
	height: 30px;
	float: left;
}
header>div>ul li:hover{
	border: 1px solid white;
	background-color: #4cbcda;
}	
main{
	margin: 1%  auto;
	width: 90%;
	height: 100%;
}
main>header{
	color: white;
	text-align: center;
	font-size: 50px;
	font-weight: 100;
	margin: 1% auto;
	width:88%;
	height:28%;
	background: linear-gradient(90deg,#33bee0,#33c8e6,#33bee0);
	border-radius: 5px;
}
main>header p{
	font-size: 25px;
}	
.items{
	margin: 1% 7%;
	width:90%;
	height:40%;
	/*background-color: white;*/
	/*padding: 10% 12%；*/
}
.item{
	border-radius: 10px;
	float: left;
	margin: 2% 3%;
	width:18%;
	height:84%;
	overflow: hidden;
	box-shadow: 12px 12px 0px #008baf;
}
main>.page{
}
main>.page>ul{
	margin: 0 auto;
	/*background-color: green;*/
	height: 100px;
	width: 20%;
	list-style: none;
}
main>.page>ul li{
	border-radius: 5px;
	width: 30px;
	height: 30px;
	line-height: 30px;
	text-align: center;
	float: left;
	background-color: white;
	color: #898989;
	margin-left: 10px;
}
footer{
	margin-top: 10%;
	width: 100%;
	height: 40%;
	background-color: #009fca;
}